Local Calling Guide
Area code/prefix search
Columbia, CT
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 860-228
| A |
CLMACT00RS4 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 860-337
| A |
HRFRCTASDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
920 |
|
|
|
| 860-337
| 0 |
|
792K CHARTER IP ENABLED SERVICES, LLC |
920 |
|
2005-01-17 |
|
| 860-337
| 1 |
|
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2008-11-29 |
|
| 860-337
| 2 |
|
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2010-09-09 |
|
| 860-337
| 3 |
|
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2020-08-13 |
|
| 860-337
| 4 |
|
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2014-02-08 |
|
| 860-337
| 5 |
|
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
2011-04-25 |
|
| 860-337
| 6 |
|
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2014-11-21 |
|
| 860-337
| 7 |
|
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2007-01-12 |
|
| 860-337
| 8 |
|
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
920 |
|
2013-05-03 |
|
| 860-337
| 9 |
|
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2021-01-10 |
|
| 860-359
| A |
HRFRCTASDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
920 |
|
|
|
| 860-359
| 0 |
|
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
920 |
|
2013-05-03 |
|
| 860-359
| 1 |
|
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2015-05-23 |
|
| 860-359
| 2 |
|
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2016-07-14 |
|
| 860-359
| 3 |
|
829J PAETEC ITEL, LLC |
920 |
|
2008-02-14 |
|
| 860-359
| 4 |
|
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2005-07-17 |
|
| 860-359
| 5 |
|
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
920 |
|
2020-01-15 |
|
| 860-359
| 6 |
|
515J IP HORIZON LLC |
920 |
|
2024-07-05 |
|
| 860-359
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
920 |
|
2014-07-09 |
|
| 860-359
| 8 |
|
639C ONVOY, LLC - CT |
920 |
|
2015-05-17 |
|
| 860-359
| 9 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
920 |
|
|
|
| 860-530
| A |
HRFRCTCR3MD |
318J COMCAST IP PHONE, LLC |
920 |
|
|
|
| 860-530
| 0 |
|
639C ONVOY, LLC - CT |
920 |
|
2019-08-09 |
|
| 860-530
| 1 |
|
318J COMCAST IP PHONE, LLC |
920 |
|
|
|
| 860-530
| 2 |
|
639C ONVOY, LLC - CT |
920 |
|
2020-06-21 |
|
| 860-530
| 3 |
|
318J COMCAST IP PHONE, LLC |
920 |
|
2015-03-20 |
|
| 860-530
| 4 |
|
639C ONVOY, LLC - CT |
920 |
|
2020-02-28 |
|
| 860-530
| 5 |
|
639C ONVOY, LLC - CT |
920 |
|
2020-02-28 |
|
| 860-530
| 6 |
|
639C ONVOY, LLC - CT |
920 |
|
2020-06-21 |
|
| 860-530
| 7 |
|
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2020-06-05 |
|
| 860-530
| 8 |
|
639C ONVOY, LLC - CT |
920 |
|
2019-08-09 |
|
| 860-530
| 9 |
|
073H TELNYX LLC |
920 |
|
2018-05-09 |
|
| 959-510
| A |
NWHNCT02XJX |
624H ONVOY SPECTRUM, LLC |
920 |
|
|
|
| 959-510
| 0 |
|
624H ONVOY SPECTRUM, LLC |
920 |
|
2021-04-17 |
|
| 959-510
| 2 |
|
639C ONVOY, LLC - CT |
920 |
|
2021-11-25 |
|
| 959-510
| 3 |
|
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2021-12-19 |
|
| 959-510
| 4 |
|
639C ONVOY, LLC - CT |
920 |
|
2024-04-11 |
|
| 959-510
| 5 |
|
639C ONVOY, LLC - CT |
920 |
|
2021-04-18 |
|
| 959-510
| 6 |
|
639C ONVOY, LLC - CT |
920 |
|
2021-04-18 |
|
| 959-510
| 7 |
|
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
920 |
|
2023-08-10 |
|
| 959-510
| 8 |
|
624H ONVOY SPECTRUM, LLC |
920 |
|
2022-02-04 |
|
| 959-510
| 9 |
|
624H ONVOY SPECTRUM, LLC |
920 |
|
2022-02-04 |
|
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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